Apex Reference Guide

Apex Reference Guide
Release Notes
Apex DML Operations
ApexPages Namespace
AppLauncher Namespace
Approval Namespace
Auth Namespace
Cache Namespace
Canvas Namespace
ChatterAnswers Namespace
CommerceBuyGrp Namespace
CommerceExtension Namespace
CommerceOrders Namespace
CommercePayments Namespace
CommerceTax Namespace
commonserviceexcellence Namespace
ComplianceMgmt Namespace
Compression Namespace
ConnectApi Namespace
Context Namespace
Database Namespace
Datacloud Namespace
DataRetrieval Namespace
DataSource Namespace
AsyncDeleteCallback Class
AsyncSaveCallback Class
AuthenticationCapability Enum
AuthenticationProtocol Enum
Capability Enum
Column Class
ColumnSelection Class
Connection Class
ConnectionParams Class
DataSourceUtil Class
DataType Enum
DeleteContext Class
DeleteResult Class
Filter Class
FilterType Enum
IdentityType Enum
Order Class
OrderDirection Enum
Provider Class
QueryAggregation Enum
QueryContext Class
QueryContext Properties
QueryContext Methods
QueryUtils Class
ReadContext Class
SearchContext Class
SearchUtils Class
Table Class
TableResult Class
TableSelection Class
UpsertContext Class
UpsertResult Class
DataSource Exceptions
DataWeave Namespace
Dom Namespace
embeddedai Namespace
EventBus Namespace
ExternalService Namespace
Flow Namespace
Flowtesting Namespace
flowuiruntime Namespace
FormulaEval Namespace
disputemanagement Namespace
fsccashflow Namespace
fsccomplaintmanagement Namespace
fschousehold Namespace
fscserviceprocesses Namespace
fscwmgen Namespace
industriespersonalizedfinance Namespace
Functions Namespace
ise_bots_apex Namespace
IssueCreditMemo Namespace
ind_mfg_sample_mgmt_apex Namespace
industriesNlpSvc
IndustriesDigitalLending Namespace
Invocable Namespace
InvoiceWriteOff Namespace
IsvPartners Namespace
KbManagement Namespace
LxScheduler Namespace
Messaging Namespace
Metadata Namespace
PlaceQuote Namespace
Pref_center Namespace
Process Namespace
QuickAction Namespace
renew_assets_summary Namespace
Reports Namespace
RevSignaling Namespace
RevSalesTrxn Namespace
RichMessaging Namespace
RulesAppln Namespace
runtime_industries_cpq Namespace
runtime_industries_insurance Namespace
Schema Namespace
Search Namespace
setup_flow_performance Namespace
Sfc Namespace
Sfdc_Checkout Namespace
Sfdc_Enablement Namespace
sfdc_surveys Namespace
sfdw Namespace
sfsqlquery Namespace
Site Namespace
Slack Namespace
Support Namespace
System Namespace
TerritoryMgmt Namespace
TxnSecurity Namespace
UserProvisioning Namespace
VisualEditor Namespace
Wave Namespace
Appendices
PDF

Note: This release is in preview. Features described here don’t become generally available until the latest general availability date that Salesforce announces for this release. Before then, and where features are noted as beta, pilot, or developer preview, we can’t guarantee general availability within any particular time frame or at all. Make your purchase decisions only on the basis of generally available products and features.

QueryContext Class

An instance of QueryContext is provided to the query method on your DataSource.Connection class. The instance corresponds to a SOQL request.

Namespace

DataSource

QueryContext Properties

The following are properties for QueryContext.

queryMoreToken

Query token that’s used for server-driven paging to determine and fetch the subsequent batch of results.

Signature

public String queryMoreToken {get; set;}

Property Value

Type: String

tableSelection

Query details that represent the FROM, ORDER BY, SELECT, and WHERE clauses in a SOQL or SOSL query.

Signature

public DataSource.TableSelection tableSelection {get; set;}

Property Value

Type: DataSource.TableSelection

QueryContext Methods

The following are methods for QueryContext.

get(metadata, offset, maxResults, tableSelection)

Creates an instance of the QueryContext class.

Signature

public static DataSource.QueryContext get(List<DataSource.Table> metadata, Integer offset, Integer maxResults, DataSource.TableSelection tableSelection)

Parameters

  • metadata:

    Type: List<DataSource.Table>

    List of table metadata that describes the external system’s tables to query.

  • offset:

    Type: Integer

    Used

    for client-driven paging. Specifies the starting row offset into the query’s result set.

  • maxResults:

    Type: Integer

    Used

    for client-driven paging. Specifies the maximum number of rows to return in each batch.

  • tableSelection:

    Type: DataSource.TableSelection

    Query details that represent

    the FROM, ORDER BY, SELECT, and WHERE clauses in a SOQL or SOSL query.

Return Value

Type: DataSource.QueryContext